[PATCH] armv8: layerscape: don't remove crypto node on LS1028A

Michael Walle michael at walle.cc
Tue Jun 2 17:09:04 CEST 2020


At least on the LS1028A the crypto module is always there, but has some
functions disabled on non-E parts. Thus it doesn't make sense to
completely remove the node. Linux will figure out what is there and what
is not.

Please note, this patch is certainly not ideal. But I don't know which
processors have the SEC module always available. NXP would have to
comment on that and make sure, the condition when to remove the crypto
node is correct.

Signed-off-by: Michael Walle <michael at walle.cc>
---
 arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index 9c1e0c76f3..72c9fc8bb7 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -443,7 +443,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	unsigned int svr = gur_in32(&gur->svr);
 
 	/* delete crypto node if not on an E-processor */
-	if (!IS_E_PROCESSOR(svr))
+	if (!IS_ENABLED(CONFIG_ARCH_LS1028A) && !IS_E_PROCESSOR(svr))
 		fdt_fixup_crypto_node(blob, 0);
 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
 	else {
-- 
2.20.1



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